Herd immunity

form of indirect protection from infectious disease that occurs when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections

Herd immunity (also called herd effect, community immunity, population immunity, or social immunity) is a form of indirect protection from infectious disease that occurs when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity.

QuotesEdit

  • The Boris Johnson government's initial response to COVID-19 was the now discredited policy of "herd immunity" — the strategy of letting the virus rip through the population, infecting up to 40 million people, most of whom would recover and then supposedly be immune to the virus. The only problem was that this would have resulted in hundreds of thousands of deaths — a prospect the Tories had to abandon in the face of expert denunciation and widespread public outrage.

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